package cuiyt.algorithm;

/**
 * @author cyt
 * @create 2020-08-24 14:21
 */
public class TreeNode {
    public int val;
    public TreeNode left;
    public TreeNode right;

    public TreeNode(int x) {
        val = x;
    }

    public TreeNode() {
        val = Integer.parseInt(null);
    }
}
